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8.3 Identification of ions by chemical and spectroscopic means

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Question 19

A technician tests rinse water from a copper-plating process. The sample contains copper(II) ions. What observation should the technician record after adding sodium hydroxide solution?

[1]
A

A blue precipitate forms

B

A brown precipitate forms

C

A green precipitate forms

D

A white precipitate forms

Markscheme

8.3 Identification of ions by chemical and spectroscopic means Questions

  1. GCSE
  2. /Chemistry
  3. /8.3 Identification of ions by chemical and spectroscopic means

93 exam-style questions on AQA GCSE Chemistry 8.3 Identification of ions by chemical and spectroscopic means, covering 8.3.1 Flame tests, 8.3.2 Metal hydroxides, 8.3.3 Carbonates, 8.3.4 Halides, 8.3.5 Sulfates, 8.3.6 Instrumental methods, and 8.3.7 Flame emission spectroscopy. Each one has a worked solution and a mark scheme showing where the marks go.

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